英文關鍵字
background
beach
canal
carelessly
chemical
clean
clear
coast
coastline
conservation
containers
contamination
damage
dirty
disaster
dump
earth
ecology
environment
environmental
floating
flowing
flows
foam
food
garbage
hazard
junk
litter
marine
nature
ocean
package
plastic
pollute
polluted
pollution
polymer
polystyrene
problem
recycle
river
rubbish
sand
sea
shore
singleuse
small
solution
styrofoam
thrown
trash
warming
waste
water
wave